Target acquired🎯 💥 Guided-missile destroyer USS Chung-Hoon (DDG 93) launches an SM-2 missile during Exercise Rim of the Pacific (RIMPAC) 2020. Ten nations, 22 ships, one submarine, and more than 5,300 personnel are participating in RIMPAC Aug. 17-31 at sea around the Hawaiian Islands. RIMPAC is a biennial exercise designed to foster and sustain cooperative relationships, critical to ensuring the safety of sea lanes and security in support of a free and open Indo-Pacific region.